diff --git a/src/lib/srdb1/schema/entities.xml b/src/lib/srdb1/schema/entities.xml
index acd70289670..024851ec00c 100644
--- a/src/lib/srdb1/schema/entities.xml
+++ b/src/lib/srdb1/schema/entities.xml
@@ -1,5 +1,6 @@
 <!ENTITY user_len "64">
 <!ENTITY domain_len "64">
+<!ENTITY contact_addr_len "128">
 <!ENTITY socket_len "128">
 <!ENTITY from_tag_len "128">
 <!ENTITY to_tag_len "128">
diff --git a/src/lib/srdb1/schema/uacreg.xml b/src/lib/srdb1/schema/uacreg.xml
index bf967f26556..1da4d46f604 100644
--- a/src/lib/srdb1/schema/uacreg.xml
+++ b/src/lib/srdb1/schema/uacreg.xml
@@ -135,6 +135,14 @@
         <description>Initial registration delay</description>
     </column>
 
+    <column id="contact_addr">
+        <name>contact_addr</name>
+        <type>string</type>
+        <size>&contact_addr_len;</size>
+        <default/>
+        <description>Used contact_addr in contact header for sending out requests,if not passed reg_contact_addr will be used instead</description>
+    </column>
+
     <column id="socket">
         <name>socket</name>
         <type>string</type>